杭电oj

2020-06-10

一．输入输出练习（2天，10题）

杭电OJ

//1000
#include <iostream>
#include <stdio.h>
int main()
{  
	int a,b;  
    while(scanf("%d%d",&a,&b)!=EOF)
        printf("%d\n",a+b);
	return 0;
}

//1001
#include <iostream>
#include <stdio.h>
using namespace std;

int main()
{
    int a,s;
    while(scanf("%d",&a)!=EOF){
            s=0;
        for(int i = 1;i<=a;i++){
            s=i+s;
        }
        printf("%d\n",s);
        printf("\n");
    }

    return 0;
}

//1089
#include <iostream>

using namespace std;

int main()
{
    int a,b;
    while(cin >> a >> b)
    {
        cout << a+b <<endl;
    }

    return 0;
}

//1090
#include <iostream>

using namespace std;

int main()
{
    int a[500],b[500],c[500],s;
    cin >> s;
    for(int i=0;i<s;i++){
        cin >>a[i]>>b[i];
        c[i] = a[i]+b[i];
    }
    for(int j = 0;j<s;j++){
        cout << c[j]<<endl;
    }
    return 0;
}

//1091
#include <iostream>

using namespace std;

int main()
{
    int a,b;
    while(cin>>a>>b){
        if(a==0&&b==0){
            break;
        }
        cout << a+b<<endl;
    }

    return 0;
}

//1092
#include <iostream>

using namespace std;

int main()
{
    int s,n,i;
    while(cin >>n&&n){
        s = 0;
        while(n--){
            cin >> i;
            s+=i;
        }
        cout << s <<endl;
    }

    return 0;
}

//1093
#include <iostream>

using namespace std;

int main()
{
    int n,i,x;
    int s;
    cin >> n;
    while(n--){
        cin >> x;
        s=0;
        while(x--){
            cin >> i;
            s+=i;
        }
        cout << s <<endl;
        cout <<endl;
    }

    return 0;
}

//1094
#include <iostream>
#include <stdio.h>
using namespace std;

int main()
{
    int n,i;
    int s;
    while(scanf("%d",&n)!=EOF){
        s=0;
        while(n--){
            scanf("%d",&i);
            s+=i;
        }
        printf("%d\n",s);
    }

    return 0;
}

//1095
#include <iostream>
#include <stdio.h>
using namespace std;

int main()
{
    int a,b,s;
    while(scanf("%d %d",&a,&b)!=EOF){
        s=0;
        s = a+b;
        printf("%d\n",s);
        printf("\n");
    }

    return 0;
}

//1096
#include <iostream>
using namespace std;

int main()
{
    int n,i,x;
    int s;
    cin >> n;
    while(n--){
        cin >> x;
        s=0;
        while(x--){
            cin >> i;
            s+=i;
        }
        cout << s <<endl;
        if(n!=0){
            cout <<endl;
        }
    }

    return 0;
}

1	//以上均为杭电OJ